gh-99824: Document that sqlite3.connect implicitly open a transaction if autocommit=False (#99825)

Authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>

Doc/library/sqlite3.rst

@@ -2468,9 +2468,9 @@ which implies :pep:`249`-compliant transaction control.
 This means:
 
 * :mod:`!sqlite3` ensures that a transaction is always open,
-  so :meth:`Connection.commit` and :meth:`Connection.rollback`
-  will implicitly open a new transaction immediately after closing
-  the pending one.
+  so :func:`connect`, :meth:`Connection.commit`, and :meth:`Connection.rollback`
+  will implicitly open a new transaction
+  (immediately after closing the pending one, for the latter two).
   :mod:`!sqlite3` uses ``BEGIN DEFERRED`` statements when opening transactions.
 * Transactions should be committed explicitly using :meth:`!commit`.
 * Transactions should be rolled back explicitly using :meth:`!rollback`.